package com.book.framework.web.service;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.book.common.core.domain.entity.AppUser;
import com.book.common.core.domain.entity.SysUser;
import com.book.common.core.domain.model.AppLoginUser;
import com.book.common.core.domain.model.LoginUser;
import com.book.common.enums.UserStatus;
import com.book.common.exception.ServiceException;
import com.book.common.utils.MessageUtils;
import com.book.common.utils.StringUtils;
import com.book.system.service.IAppUserService;
import com.book.system.service.ISysUserService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;

/**
 * 用户验证处理
 *
 * @author ruoyi
 */
@Service
public class UserDetailsServiceImpl implements UserDetailsService
{
    private static final Logger log = LoggerFactory.getLogger(UserDetailsServiceImpl.class);

    /**
     * app用户名前缀
     */
    private static final String APP_prefix = "app_";

    @Autowired
    private ISysUserService userService;
    
    @Autowired
    private SysPasswordService passwordService;

    @Autowired
    private SysPermissionService permissionService;

    @Autowired
    private IAppUserService appUserService;

    @Autowired
    private AppPermissionService appPermissionService;

    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException
    {
        log.info("username:" + username);
        if (username.startsWith(APP_prefix)) {
            log.info("走的是app登录");
            String realUserName = username.substring(APP_prefix.length());
            //app的登录授权
            final AppUser appUser = appUserService.getOne(new LambdaQueryWrapper<AppUser>()
                    .eq(AppUser::getPhone, realUserName).last("LIMIT 1"));
            if (StringUtils.isNull(appUser)) {
                log.info("登录用户：{} 不存在.", realUserName);
                throw new ServiceException(MessageUtils.message("user.not.exists"));
            }
            passwordService.validate(appUser);

            return createLoginUser(appUser);
        } else {
            log.info("走的是后台登录");
            //原系统的后台登录授权
            SysUser user = userService.selectUserByUserName(username);
            if (StringUtils.isNull(user)) {
                log.info("登录用户：{} 不存在.", username);
                throw new ServiceException(MessageUtils.message("user.not.exists"));
            } else if (UserStatus.DELETED.getCode().equals(user.getDelFlag())) {
                log.info("登录用户：{} 已被删除.", username);
                throw new ServiceException(MessageUtils.message("user.password.delete"));
            } else if (UserStatus.DISABLE.getCode().equals(user.getStatus())) {
                log.info("登录用户：{} 已被停用.", username);
                throw new ServiceException(MessageUtils.message("user.blocked"));
            }

            passwordService.validate(user);

            return createLoginUser(user);
        }
    }

    public UserDetails createLoginUser(SysUser user)
    {
        return new LoginUser(user.getUserId(), user.getDeptId(), user, permissionService.getMenuPermission(user));
    }

    public UserDetails createLoginUser(AppUser user) {
        return new AppLoginUser(user.getId(), user, appPermissionService.getMenuPermission(user));
    }
}
